[oe-commits] [openembedded-core] 36/49: tiff: Security fix CVE-2016-10267

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commit 91aff69faa7861f9872331ea386145667607550c
Author: Rajkumar Veer <rveer at mvista.com>
AuthorDate: Fri Nov 3 21:58:43 2017 -0700

    tiff: Security fix CVE-2016-10267
    
    Signed-off-by: Rajkumar Veer <rveer at mvista.com>
    Signed-off-by: Armin Kuster <akuster at mvista.com>
---
 .../libtiff/files/CVE-2016-10267.patch             | 70 ++++++++++++++++++++++
 meta/recipes-multimedia/libtiff/tiff_4.0.7.bb      |  1 +
 2 files changed, 71 insertions(+)

diff --git a/meta/recipes-multimedia/libtiff/files/CVE-2016-10267.patch b/meta/recipes-multimedia/libtiff/files/CVE-2016-10267.patch
new file mode 100644
index 0000000..f4c5791
--- /dev/null
+++ b/meta/recipes-multimedia/libtiff/files/CVE-2016-10267.patch
@@ -0,0 +1,70 @@
+From f8203c7ab1dbd7b5c59158576bec7da90191f42f Mon Sep 17 00:00:00 2001
+From: erouault <erouault>
+Date: Sat, 3 Dec 2016 11:15:18 +0000
+Subject: [PATCH] * libtiff/tif_ojpeg.c: make OJPEGDecode() early exit in case
+ of failure in OJPEGPreDecode(). This will avoid a divide by zero, and
+ potential other issues. Reported by Agostino Sarubbo. Fixes
+ http://bugzilla.maptools.org/show_bug.cgi?id=2611
+
+Upstream-Status: Backport
+
+CVE: CVE-2016-10267
+Signed-off-by: Rajkumar Veer <rveer at mvista.com>
+---
+ ChangeLog           | 7 +++++++
+ libtiff/tif_ojpeg.c | 8 ++++++++
+ 2 files changed, 15 insertions(+)
+
+diff --git a/ChangeLog b/ChangeLog
+index 7339c1a..66fbcdc 100644
+--- a/ChangeLog
++++ b/ChangeLog
+@@ -1,3 +1,10 @@
++2016-12-03 Even Rouault <even.rouault at spatialys.com>
++ 
++	* libtiff/tif_ojpeg.c: make OJPEGDecode() early exit in case of failure in
++	OJPEGPreDecode(). This will avoid a divide by zero, and potential other issues.
++	Reported by Agostino Sarubbo.
++	Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2611
++
+ 2016-12-02 Even Rouault <even.rouault at spatialys.com>
+ 
+ 	* libtiff/tif_read.c, libtiff/tiffiop.h: fix uint32 overflow in
+diff --git a/libtiff/tif_ojpeg.c b/libtiff/tif_ojpeg.c
+index 1ccc3f9..f19e8fd 100644
+--- a/libtiff/tif_ojpeg.c
++++ b/libtiff/tif_ojpeg.c
+@@ -244,6 +244,7 @@ typedef enum {
+ 
+ typedef struct {
+ 	TIFF* tif;
++        int decoder_ok;
+ 	#ifndef LIBJPEG_ENCAP_EXTERNAL
+ 	JMP_BUF exit_jmpbuf;
+ 	#endif
+@@ -722,6 +723,7 @@ OJPEGPreDecode(TIFF* tif, uint16 s)
+ 		}
+ 		sp->write_curstrile++;
+ 	}
++	sp->decoder_ok = 1;
+ 	return(1);
+ }
+ 
+@@ -784,8 +786,14 @@ OJPEGPreDecodeSkipScanlines(TIFF* tif)
+ static int
+ OJPEGDecode(TIFF* tif, uint8* buf, tmsize_t cc, uint16 s)
+ {
++        static const char module[]="OJPEGDecode";
+ 	OJPEGState* sp=(OJPEGState*)tif->tif_data;
+ 	(void)s;
++        if( !sp->decoder_ok )
++        {
++            TIFFErrorExt(tif->tif_clientdata,module,"Cannot decode: decoder not correctly initialized");
++            return 0;
++        }
+ 	if (sp->libjpeg_jpeg_query_style==0)
+ 	{
+ 		if (OJPEGDecodeRaw(tif,buf,cc)==0)
+-- 
+1.9.1
+
diff --git a/meta/recipes-multimedia/libtiff/tiff_4.0.7.bb b/meta/recipes-multimedia/libtiff/tiff_4.0.7.bb
index cb7c494..d60c7fe 100644
--- a/meta/recipes-multimedia/libtiff/tiff_4.0.7.bb
+++ b/meta/recipes-multimedia/libtiff/tiff_4.0.7.bb
@@ -15,6 +15,7 @@ SRC_URI = "http://download.osgeo.org/libtiff/tiff-${PV}.tar.gz \
            file://CVE-2016-10093.patch \
            file://CVE-2016-10268.patch \
            file://CVE-2016-10266.patch \
+           file://CVE-2016-10267.patch \
           "
 
 SRC_URI[md5sum] = "77ae928d2c6b7fb46a21c3a29325157b"

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